A-LevelPhysicsParticle physics9702/23 · May/June 2017 · Q73 Marks
The following particles are used to describe the structure of an atom. electron neutron proton quark The following equation represents the decay of a nucleus of ²⁷Co to form nucleus Q by β⁻ emission. ²⁷Co→AQ + β⁻ + x
- (a)Underline the fundamental particles in the above list.[1]
- (b)(i)Complete Fig. 7.1.[1]
- (b)(ii)State the name of the particle x.[1]
Mark scheme
Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.
- 7(a) electron and quark both underlined/clearly indicated and no others
- 7(b)(i) value A 60
- 7(b)(i) B 28
- 7(b)(i) both correct
- 7(b)(ii) (electron) antineutrino
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →